diff options
Diffstat (limited to 'libavcodec/mjpeg.c')
| -rw-r--r-- | libavcodec/mjpeg.c | 212 |
1 files changed, 106 insertions, 106 deletions
diff --git a/libavcodec/mjpeg.c b/libavcodec/mjpeg.c index e8bba06190..905b5fbea7 100644 --- a/libavcodec/mjpeg.c +++ b/libavcodec/mjpeg.c @@ -27,7 +27,7 @@ * @file mjpeg.c * MJPEG encoder and decoder. */ - + //#define DEBUG #include <assert.h> @@ -40,7 +40,7 @@ #undef TWOMATRIXES typedef struct MJpegContext { - uint8_t huff_size_dc_luminance[12]; //FIXME use array [3] instead of lumi / chrom, for easier addressing + uint8_t huff_size_dc_luminance[12]; //FIXME use array [3] instead of lumi / chrom, for easier addressing uint16_t huff_code_dc_luminance[12]; uint8_t huff_size_dc_chrominance[12]; uint16_t huff_code_dc_chrominance[12]; @@ -195,7 +195,7 @@ static const uint8_t val_ac_luminance[] = 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, - 0xf9, 0xfa + 0xf9, 0xfa }; static const uint8_t bits_ac_chrominance[17] = @@ -222,7 +222,7 @@ static const uint8_t val_ac_chrominance[] = 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, - 0xf9, 0xfa + 0xf9, 0xfa }; /* isn't this function nicer than the one in the libjpeg ? */ @@ -249,11 +249,11 @@ static void build_huffman_codes(uint8_t *huff_size, uint16_t *huff_code, int mjpeg_init(MpegEncContext *s) { MJpegContext *m; - + m = av_malloc(sizeof(MJpegContext)); if (!m) return -1; - + s->min_qcoeff=-1023; s->max_qcoeff= 1023; @@ -274,7 +274,7 @@ int mjpeg_init(MpegEncContext *s) m->huff_code_ac_chrominance, bits_ac_chrominance, val_ac_chrominance); - + s->mjpeg_ctx = m; return 0; } @@ -362,7 +362,7 @@ static void jpeg_table_header(MpegEncContext *s) size = 2; size += put_huffman_table(s, 0, 0, bits_dc_luminance, val_dc_luminance); size += put_huffman_table(s, 0, 1, bits_dc_chrominance, val_dc_chrominance); - + size += put_huffman_table(s, 1, 0, bits_ac_luminance, val_ac_luminance); size += put_huffman_table(s, 1, 1, bits_ac_chrominance, val_ac_chrominance); ptr[0] = size >> 8; @@ -401,7 +401,7 @@ static void jpeg_put_comments(MpegEncContext *s) ptr[1] = size; } - if( s->avctx->pix_fmt == PIX_FMT_YUV420P + if( s->avctx->pix_fmt == PIX_FMT_YUV420P ||s->avctx->pix_fmt == PIX_FMT_YUV422P ||s->avctx->pix_fmt == PIX_FMT_YUV444P){ put_marker(p, COM); @@ -423,7 +423,7 @@ void mjpeg_picture_header(MpegEncContext *s) if (!s->mjpeg_data_only_frames) { - jpeg_put_comments(s); + jpeg_put_comments(s); if (s->mjpeg_write_tables) jpeg_table_header(s); @@ -437,13 +437,13 @@ void mjpeg_picture_header(MpegEncContext *s) put_bits(&s->pb, 16, s->height); put_bits(&s->pb, 16, s->width); put_bits(&s->pb, 8, 3); /* 3 components */ - + /* Y component */ put_bits(&s->pb, 8, 1); /* component number */ put_bits(&s->pb, 4, s->mjpeg_hsample[0]); /* H factor */ put_bits(&s->pb, 4, s->mjpeg_vsample[0]); /* V factor */ put_bits(&s->pb, 8, 0); /* select matrix */ - + /* Cb component */ put_bits(&s->pb, 8, 2); /* component number */ put_bits(&s->pb, 4, s->mjpeg_hsample[1]); /* H factor */ @@ -469,17 +469,17 @@ void mjpeg_picture_header(MpegEncContext *s) put_marker(&s->pb, SOS); put_bits(&s->pb, 16, 12); /* length */ put_bits(&s->pb, 8, 3); /* 3 components */ - + /* Y component */ put_bits(&s->pb, 8, 1); /* index */ put_bits(&s->pb, 4, 0); /* DC huffman table index */ put_bits(&s->pb, 4, 0); /* AC huffman table index */ - + /* Cb component */ put_bits(&s->pb, 8, 2); /* index */ put_bits(&s->pb, 4, 1); /* DC huffman table index */ put_bits(&s->pb, 4, lossless ? 0 : 1); /* AC huffman table index */ - + /* Cr component */ put_bits(&s->pb, 8, 3); /* index */ put_bits(&s->pb, 4, 1); /* DC huffman table index */ @@ -496,10 +496,10 @@ static void escape_FF(MpegEncContext *s, int start) int i, ff_count; uint8_t *buf= s->pb.buf + start; int align= (-(size_t)(buf))&3; - + assert((size&7) == 0); size >>= 3; - + ff_count=0; for(i=0; i<size && i<align; i++){ if(buf[i]==0xFF) ff_count++; @@ -526,12 +526,12 @@ static void escape_FF(MpegEncContext *s, int start) } if(ff_count==0) return; - + /* skip put bits */ for(i=0; i<ff_count-3; i+=4) put_bits(&s->pb, 32, 0); put_bits(&s->pb, (ff_count-i)*8, 0); - flush_put_bits(&s->pb); + flush_put_bits(&s->pb); for(i=size-1; ff_count; i--){ int v= buf[i]; @@ -559,7 +559,7 @@ void mjpeg_picture_trailer(MpegEncContext *s) flush_put_bits(&s->pb); assert((s->header_bits&7)==0); - + escape_FF(s, s->header_bits>>3); put_marker(&s->pb, EOI); @@ -578,11 +578,11 @@ static inline void mjpeg_encode_dc(MpegEncContext *s, int val, val = -val; mant--; } - + nbits= av_log2_16bit(val) + 1; - + put_bits(&s->pb, huff_size[nbits], huff_code[nbits]); - + put_bits(&s->pb, nbits, mant & ((1 << nbits) - 1)); } } @@ -594,7 +594,7 @@ static void encode_block(MpegEncContext *s, DCTELEM *block, int n) MJpegContext *m = s->mjpeg_ctx; uint8_t *huff_size_ac; uint16_t *huff_code_ac; - + /* DC coef */ component = (n <= 3 ? 0 : n - 4 + 1); dc = block[0]; /* overflow is impossible */ @@ -609,9 +609,9 @@ static void encode_block(MpegEncContext *s, DCTELEM *block, int n) huff_code_ac = m->huff_code_ac_chrominance; } s->last_dc[component] = dc; - + /* AC coefs */ - + run = 0; last_index = s->block_last_index[n]; for(i=1;i<=last_index;i++) { @@ -629,12 +629,12 @@ static void encode_block(MpegEncContext *s, DCTELEM *block, int n) val = -val; mant--; } - + nbits= av_log2(val) + 1; code = (run << 4) | nbits; put_bits(&s->pb, huff_size_ac[code], huff_code_ac[code]); - + put_bits(&s->pb, nbits, mant & ((1 << nbits) - 1)); run = 0; } @@ -645,7 +645,7 @@ static void encode_block(MpegEncContext *s, DCTELEM *block, int n) put_bits(&s->pb, huff_size_ac[0], huff_code_ac[0]); } -void mjpeg_encode_mb(MpegEncContext *s, +void mjpeg_encode_mb(MpegEncContext *s, DCTELEM block[6][64]) { int i; @@ -668,11 +668,11 @@ static int encode_picture_lossless(AVCodecContext *avctx, unsigned char *buf, in *p = *pict; p->pict_type= FF_I_TYPE; p->key_frame= 1; - + mjpeg_picture_header(s); s->header_bits= put_bits_count(&s->pb); - + if(avctx->pix_fmt == PIX_FMT_RGBA32){ int x, y, i; const int linesize= p->linesize[0]; @@ -691,7 +691,7 @@ static int encode_picture_lossless(AVCodecContext *avctx, unsigned char *buf, in av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n"); return -1; } - + for(i=0; i<3; i++){ top[i]= left[i]= topleft[i]= buffer[0][i]; } @@ -704,14 +704,14 @@ static int encode_picture_lossless(AVCodecContext *avctx, unsigned char *buf, in int pred, diff; PREDICT(pred, topleft[i], top[i], left[i], modified_predictor); - + topleft[i]= top[i]; top[i]= buffer[x+1][i]; - + left[i]= buffer[x][i]; diff= ((left[i] - pred + 0x100)&0x1FF) - 0x100; - + if(i==0) mjpeg_encode_dc(s, diff, m->huff_size_dc_luminance, m->huff_code_dc_luminance); //FIXME ugly else @@ -723,7 +723,7 @@ static int encode_picture_lossless(AVCodecContext *avctx, unsigned char *buf, in int mb_x, mb_y, i; const int mb_width = (width + s->mjpeg_hsample[0] - 1) / s->mjpeg_hsample[0]; const int mb_height = (height + s->mjpeg_vsample[0] - 1) / s->mjpeg_vsample[0]; - + for(mb_y = 0; mb_y < mb_height; mb_y++) { if(s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb)>>3) < mb_width * 4 * 3 * s->mjpeg_hsample[0] * s->mjpeg_vsample[0]){ av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n"); @@ -756,7 +756,7 @@ static int encode_picture_lossless(AVCodecContext *avctx, unsigned char *buf, in PREDICT(pred, ptr[-linesize-1], ptr[-linesize], ptr[-1], predictor); } } - + if(i==0) mjpeg_encode_dc(s, (int8_t)(*ptr - pred), m->huff_size_dc_luminance, m->huff_code_dc_luminance); //FIXME ugly else @@ -771,13 +771,13 @@ static int encode_picture_lossless(AVCodecContext *avctx, unsigned char *buf, in h = s->mjpeg_hsample[i]; v = s->mjpeg_vsample[i]; linesize= p->linesize[i]; - + for(y=0; y<v; y++){ for(x=0; x<h; x++){ int pred; ptr = p->data[i] + (linesize * (v * mb_y + y)) + (h * mb_x + x); //FIXME optimize this crap -//printf("%d %d %d %d %8X\n", mb_x, mb_y, x, y, ptr); +//printf("%d %d %d %d %8X\n", mb_x, mb_y, x, y, ptr); PREDICT(pred, ptr[-linesize-1], ptr[-linesize], ptr[-1], predictor); if(i==0) @@ -793,7 +793,7 @@ static int encode_picture_lossless(AVCodecContext *avctx, unsigned char *buf, in } emms_c(); - + mjpeg_picture_trailer(s); s->picture_number++; @@ -828,8 +828,8 @@ typedef struct MJpegDecodeContext { int bottom_field; /* true if bottom field */ int lossless; int rgb; - int rct; /* standard rct */ - int pegasus_rct; /* pegasus reversible colorspace transform */ + int rct; /* standard rct */ + int pegasus_rct; /* pegasus reversible colorspace transform */ int bits; /* bits per component */ int width, height; @@ -866,7 +866,7 @@ typedef struct MJpegDecodeContext { static int mjpeg_decode_dht(MJpegDecodeContext *s); -static int build_vlc(VLC *vlc, const uint8_t *bits_table, const uint8_t *val_table, +static int build_vlc(VLC *vlc, const uint8_t *bits_table, const uint8_t *val_table, int nb_codes, int use_static) { uint8_t huff_size[256]; @@ -874,7 +874,7 @@ static int build_vlc(VLC *vlc, const uint8_t *bits_table, const uint8_t *val_tab memset(huff_size, 0, sizeof(huff_size)); build_huffman_codes(huff_size, huff_code, bits_table, val_table); - + return init_vlc(vlc, 9, nb_codes, huff_size, 1, 1, huff_code, 2, 2, use_static); } @@ -902,7 +902,7 @@ static int mjpeg_decode_init(AVCodecContext *avctx) s->start_code = -1; s->first_picture = 1; s->org_height = avctx->coded_height; - + build_vlc(&s->vlcs[0][0], bits_dc_luminance, val_dc_luminance, 12, 0); build_vlc(&s->vlcs[0][1], bits_dc_chrominance, val_dc_chrominance, 12, 0); build_vlc(&s->vlcs[1][0], bits_ac_luminance, val_ac_luminance, 251, 0); @@ -927,10 +927,10 @@ static int mjpeg_decode_init(AVCodecContext *avctx) static int find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size){ int vop_found, i; uint16_t state; - + vop_found= pc->frame_start_found; state= pc->state; - + i=0; if(!vop_found){ for(i=0; i<buf_size; i++){ @@ -951,7 +951,7 @@ static int find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size){ state= (state<<8) | buf[i]; if(state == 0xFFD8){ pc->frame_start_found=0; - pc->state=0; + pc->state=0; return i-1; } } @@ -963,12 +963,12 @@ static int find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size){ static int jpeg_parse(AVCodecParserContext *s, AVCodecContext *avctx, - uint8_t **poutbuf, int *poutbuf_size, + uint8_t **poutbuf, int *poutbuf_size, const uint8_t *buf, int buf_size) { ParseContext *pc = s->priv_data; int next; - + next= find_frame_end(pc, buf, buf_size); if (ff_combine_frame(pc, next, (uint8_t **)&buf, &buf_size) < 0) { @@ -986,7 +986,7 @@ static int jpeg_parse(AVCodecParserContext *s, static int mjpeg_decode_dqt(MJpegDecodeContext *s) { int len, index, i, j; - + len = get_bits(&s->gb, 16) - 2; while (len >= 65) { @@ -1013,7 +1013,7 @@ static int mjpeg_decode_dqt(MJpegDecodeContext *s) dprintf("qscale[%d]: %d\n", index, s->qscale[index]); len -= 65; } - + return 0; } @@ -1023,7 +1023,7 @@ static int mjpeg_decode_dht(MJpegDecodeContext *s) int len, index, i, class, n, v, code_max; uint8_t bits_table[17]; uint8_t val_table[256]; - + len = get_bits(&s->gb, 16) - 2; while (len > 0) { @@ -1071,8 +1071,8 @@ static int mjpeg_decode_sof(MJpegDecodeContext *s) /* XXX: verify len field validity */ len = get_bits(&s->gb, 16); s->bits= get_bits(&s->gb, 8); - - if(s->pegasus_rct) s->bits=9; + + if(s->pegasus_rct) s->bits=9; if(s->bits==9 && !s->pegasus_rct) s->rct=1; //FIXME ugly if (s->bits != 8 && !s->lossless){ @@ -1081,7 +1081,7 @@ static int mjpeg_decode_sof(MJpegDecodeContext *s) } height = get_bits(&s->gb, 16); width = get_bits(&s->gb, 16); - + dprintf("sof0: picture: %dx%d\n", width, height); if(avcodec_check_dimensions(s->avctx, width, height)) return -1; @@ -1109,14 +1109,14 @@ static int mjpeg_decode_sof(MJpegDecodeContext *s) dprintf("component %d %d:%d id: %d quant:%d\n", i, s->h_count[i], s->v_count[i], s->component_id[i], s->quant_index[i]); } - + if(s->v_max==1 && s->h_max==1 && s->lossless==1) s->rgb=1; /* if different size, realloc/alloc picture */ /* XXX: also check h_count and v_count */ if (width != s->width || height != s->height) { av_freep(&s->qscale_table); - + s->width = width; s->height = height; avcodec_set_dimensions(s->avctx, width, height); @@ -1135,10 +1135,10 @@ static int mjpeg_decode_sof(MJpegDecodeContext *s) s->first_picture = 0; } - + if(s->interlaced && s->bottom_field) return 0; - + /* XXX: not complete test ! */ switch((s->h_count[0] << 4) | s->v_count[0]) { case 0x11: @@ -1168,18 +1168,18 @@ static int mjpeg_decode_sof(MJpegDecodeContext *s) } s->picture.pict_type= I_TYPE; s->picture.key_frame= 1; - + for(i=0; i<3; i++){ s->linesize[i]= s->picture.linesize[i] << s->interlaced; } // printf("%d %d %d %d %d %d\n", s->width, s->height, s->linesize[0], s->linesize[1], s->interlaced, s->avctx->height); - + if (len != (8+(3*nb_components))) { dprintf("decode_sof0: error, len(%d) mismatch\n", len); } - + return 0; } @@ -1201,7 +1201,7 @@ static inline int mjpeg_decode_dc(MJpegDecodeContext *s, int dc_index) } /* decode block and dequantize */ -static int decode_block(MJpegDecodeContext *s, DCTELEM *block, +static int decode_block(MJpegDecodeContext *s, DCTELEM *block, int component, int dc_index, int ac_index, int quant_index) { int code, i, j, level, val; @@ -1256,10 +1256,10 @@ static int ljpeg_decode_rgb_scan(MJpegDecodeContext *s, int predictor, int point int left[3], top[3], topleft[3]; const int linesize= s->linesize[0]; const int mask= (1<<s->bits)-1; - + if((unsigned)s->mb_width > 32768) //dynamic alloc return -1; - + for(i=0; i<3; i++){ buffer[0][i]= 1 << (s->bits + point_transform - 1); } @@ -1284,8 +1284,8 @@ static int ljpeg_decode_rgb_scan(MJpegDecodeContext *s, int predictor, int point top[i]= buffer[mb_x][i]; PREDICT(pred, topleft[i], top[i], left[i], modified_predictor); - - left[i]= + + left[i]= buffer[mb_x][i]= mask & (pred + (mjpeg_decode_dc(s, s->dc_index[i]) << point_transform)); } @@ -1338,7 +1338,7 @@ static int ljpeg_decode_yuv_scan(MJpegDecodeContext *s, int predictor, int point x = 0; y = 0; linesize= s->linesize[c]; - + for(j=0; j<n; j++) { int pred; @@ -1356,7 +1356,7 @@ static int ljpeg_decode_yuv_scan(MJpegDecodeContext *s, int predictor, int point PREDICT(pred, ptr[-linesize-1], ptr[-linesize], ptr[-1], predictor); } } - + if (s->interlaced && s->bottom_field) ptr += linesize >> 1; *ptr= pred + (mjpeg_decode_dc(s, s->dc_index[i]) << point_transform); @@ -1378,7 +1378,7 @@ static int ljpeg_decode_yuv_scan(MJpegDecodeContext *s, int predictor, int point x = 0; y = 0; linesize= s->linesize[c]; - + for(j=0; j<n; j++) { int pred; @@ -1421,15 +1421,15 @@ static int mjpeg_decode_scan(MJpegDecodeContext *s){ y = 0; for(j=0;j<n;j++) { memset(s->block, 0, sizeof(s->block)); - if (decode_block(s, s->block, i, - s->dc_index[i], s->ac_index[i], + if (decode_block(s, s->block, i, + s->dc_index[i], s->ac_index[i], s->quant_index[c]) < 0) { dprintf("error y=%d x=%d\n", mb_y, mb_x); return -1; } // dprintf("mb: %d %d processed\n", mb_y, mb_x); - ptr = s->picture.data[c] + - (((s->linesize[c] * (v * mb_y + y) * 8) + + ptr = s->picture.data[c] + + (((s->linesize[c] * (v * mb_y + y) * 8) + (h * mb_x + x) * 8) >> s->avctx->lowres); if (s->interlaced && s->bottom_field) ptr += s->linesize[c] >> 1; @@ -1516,7 +1516,7 @@ static int mjpeg_decode_sos(MJpegDecodeContext *s) case SOF3: if (dc_index[i] > 3 || ac_index[i] != 0) goto out_of_range; - break; + break; } #endif } @@ -1526,7 +1526,7 @@ static int mjpeg_decode_sos(MJpegDecodeContext *s) skip_bits(&s->gb, 4); /* Ah */ point_transform= get_bits(&s->gb, 4); /* Al */ - for(i=0;i<nb_components;i++) + for(i=0;i<nb_components;i++) s->last_dc[i] = 1024; if (nb_components > 1) { @@ -1545,7 +1545,7 @@ static int mjpeg_decode_sos(MJpegDecodeContext *s) if(s->avctx->debug & FF_DEBUG_PICT_INFO) av_log(s->avctx, AV_LOG_DEBUG, "%s %s p:%d >>:%d\n", s->lossless ? "lossless" : "sequencial DCT", s->rgb ? "RGB" : "", predictor, point_transform); - + /* mjpeg-b can have padding bytes between sos and image data, skip them */ for (i = s->mjpb_skiptosod; i > 0; i--) skip_bits(&s->gb, 8); @@ -1595,9 +1595,9 @@ static int mjpeg_decode_app(MJpegDecodeContext *s) len -= 6; if(s->avctx->debug & FF_DEBUG_STARTCODE){ - av_log(s->avctx, AV_LOG_DEBUG, "APPx %8X\n", id); + av_log(s->avctx, AV_LOG_DEBUG, "APPx %8X\n", id); } - + /* buggy AVID, it puts EOI only at every 10th frame */ /* also this fourcc is used by non-avid files too, it holds some informations, but it's always present in AVID creates files */ @@ -1624,9 +1624,9 @@ static int mjpeg_decode_app(MJpegDecodeContext *s) // printf("mjpeg: interlace polarity: %d\n", s->interlace_polarity); goto out; } - + // len -= 2; - + if (id == ff_get_fourcc("JFIF")) { int t_w, t_h, v1, v2; @@ -1656,7 +1656,7 @@ static int mjpeg_decode_app(MJpegDecodeContext *s) len -= 10; goto out; } - + if (id == ff_get_fourcc("Adob") && (get_bits(&s->gb, 8) == 'e')) { if (s->avctx->debug & FF_DEBUG_PICT_INFO) @@ -1691,7 +1691,7 @@ static int mjpeg_decode_app(MJpegDecodeContext *s) len -= 9; goto out; } - + /* Apple MJPEG-A */ if ((s->start_code == APP1) && (len > (0x28 - 8))) { @@ -1815,7 +1815,7 @@ found: return val; } -static int mjpeg_decode_frame(AVCodecContext *avctx, +static int mjpeg_decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8_t *buf, int buf_size) { @@ -1835,7 +1835,7 @@ static int mjpeg_decode_frame(AVCodecContext *avctx, goto the_end; } else { dprintf("marker=%x avail_size_in_buf=%d\n", start_code, buf_end - buf_ptr); - + if ((buf_end - buf_ptr) > s->buffer_size) { av_free(s->buffer); @@ -1844,7 +1844,7 @@ static int mjpeg_decode_frame(AVCodecContext *avctx, dprintf("buffer too small, expanding to %d bytes\n", s->buffer_size); } - + /* unescape buffer of SOS */ if (start_code == SOS) { @@ -1868,13 +1868,13 @@ static int mjpeg_decode_frame(AVCodecContext *avctx, } } init_get_bits(&s->gb, s->buffer, (dst - s->buffer)*8); - + dprintf("escaping removed %d bytes\n", (buf_end - buf_ptr) - (dst - s->buffer)); } else init_get_bits(&s->gb, buf_ptr, (buf_end - buf_ptr)*8); - + s->start_code = start_code; if(s->avctx->debug & FF_DEBUG_STARTCODE){ av_log(s->avctx, AV_LOG_DEBUG, "startcode: %X\n", start_code); @@ -1908,16 +1908,16 @@ static int mjpeg_decode_frame(AVCodecContext *avctx, break; case SOF0: s->lossless=0; - if (mjpeg_decode_sof(s) < 0) + if (mjpeg_decode_sof(s) < 0) return -1; break; case SOF3: s->lossless=1; - if (mjpeg_decode_sof(s) < 0) + if (mjpeg_decode_sof(s) < 0) return -1; break; case EOI: - if ((s->buggy_avid && !s->interlaced) || s->restart_interval) + if ((s->buggy_avid && !s->interlaced) || s->restart_interval) break; eoi_parser: { @@ -1931,7 +1931,7 @@ eoi_parser: *data_size = sizeof(AVFrame); if(!s->lossless){ - picture->quality= FFMAX(FFMAX(s->qscale[0], s->qscale[1]), s->qscale[2]); + picture->quality= FFMAX(FFMAX(s->qscale[0], s->qscale[1]), s->qscale[2]); picture->qstride= 0; picture->qscale_table= s->qscale_table; memset(picture->qscale_table, picture->quality, (s->width+15)/16); @@ -1939,7 +1939,7 @@ eoi_parser: av_log(s->avctx, AV_LOG_DEBUG, "QP: %d\n", picture->quality); picture->quality*= FF_QP2LAMBDA; } - + goto the_end; } break; @@ -1986,7 +1986,7 @@ the_end: return buf_ptr - buf; } -static int mjpegb_decode_frame(AVCodecContext *avctx, +static int mjpegb_decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8_t *buf, int buf_size) { @@ -1999,7 +1999,7 @@ static int mjpegb_decode_frame(AVCodecContext *avctx, buf_ptr = buf; buf_end = buf + buf_size; - + read_header: /* reset on every SOI */ s->restart_interval = 0; @@ -2009,7 +2009,7 @@ read_header: init_get_bits(&hgb, buf_ptr, /*buf_size*/(buf_end - buf_ptr)*8); skip_bits(&hgb, 32); /* reserved zeros */ - + if (get_bits_long(&hgb, 32) != be2me_32(ff_get_fourcc("mjpg"))) { dprintf("not mjpeg-b (bad fourcc)\n"); @@ -2032,7 +2032,7 @@ read_header: s->start_code = DQT; mjpeg_decode_dqt(s); } - + dht_offs = get_bits_long(&hgb, 32); dprintf("dht offs: 0x%x\n", dht_offs); if (dht_offs) @@ -2080,9 +2080,9 @@ read_header: *picture= s->picture; *data_size = sizeof(AVFrame); - + if(!s->lossless){ - picture->quality= FFMAX(FFMAX(s->qscale[0], s->qscale[1]), s->qscale[2]); + picture->quality= FFMAX(FFMAX(s->qscale[0], s->qscale[1]), s->qscale[2]); picture->qstride= 0; picture->qscale_table= s->qscale_table; memset(picture->qscale_table, picture->quality, (s->width+15)/16); @@ -2096,7 +2096,7 @@ read_header: #include "sp5x.h" -static int sp5x_decode_frame(AVCodecContext *avctx, +static int sp5x_decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8_t *buf, int buf_size) { @@ -2175,11 +2175,11 @@ static int sp5x_decode_frame(AVCodecContext *avctx, s->quant_index[2] = 1; s->h_max = 2; s->v_max = 2; - + s->qscale_table = av_mallocz((s->width+15)/16); avctx->pix_fmt = s->cs_itu601 ? PIX_FMT_YUV420P : PIX_FMT_YUVJ420; s->interlaced = 0; - + s->picture.reference = 0; if (avctx->get_buffer(avctx, &s->picture) < 0) { @@ -2235,7 +2235,7 @@ static int sp5x_decode_frame(AVCodecContext *avctx, s->v_scount[2] = s->v_count[2]; s->dc_index[2] = 1; s->ac_index[2] = 1; - + for (i = 0; i < 3; i++) s->last_dc[i] = 1024; @@ -2243,7 +2243,7 @@ static int sp5x_decode_frame(AVCodecContext *avctx, s->mb_height = (s->height * s->v_max * 8 -1) / (s->v_max * 8); init_get_bits(&s->gb, buf+14, (buf_size-14)*8); - + return mjpeg_decode_scan(s); #endif @@ -2257,7 +2257,7 @@ static int mjpeg_decode_end(AVCodecContext *avctx) av_free(s->buffer); av_free(s->qscale_table); - + for(i=0;i<2;i++) { for(j=0;j<4;j++) free_vlc(&s->vlcs[i][j]); |